This device is mainly used for pipeline engineering and pressure vessel welding.The machine is small in size, light in weight, and the integrated body is sturdy and durable.Low center of gravity design, high strength magnet placed inside, ferromagnetic wheel drive, smooth walking.The welding torch X-Y adjustment is very convenient, and the steel belt track guide, accurate alignment welding.Wireless remote control operation saves effort and energy. With arc closing function to improve the welding quality at the closing arc.Equipped with oscillating device.